Optical device
AssigneeOlympus Corporation
InventorKimihiko Nishioka
Life of this patent
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Abstract
An optical apparatus includes an optical system for performing variable power by one lens group or integrated lens groups; a variable optical-characteristic element; a drive circuit for driving the variable optical-characteristic element; and a picture element, wherein the apparatus is constructed by providing a predetermined resolution chart with a known distance, feeding drive information to the variable optical-characteristic element in accordance with the distance, photographing images of the resolution chart, and adjusting and fixing the position of the picture element so as to substantially maximize the contrast of the images.
Claims37
An optical apparatus comprising:
- a variable optical-characteristic element;
- and a drive circuit for driving the variable optical-characteristic element, the optical apparatus having an image processing function, wherein enhancement is performed in accordance with a diffraction state and variations in aberration of an optical system.
An optical apparatus comprising:
- a variable optical-characteristic element;
- and
- a drive circuit for driving the variable optical-characteristic element, the optical apparatus having an image processing function,
- wherein enhancement is performed in accordance with an optical-deflection function of the variable optical-characteristic element by estimating the optical-deflection function of the variable optical-characteristic element from driving information of the variable optical-characteristic element.
An optical apparatus comprising:
- a variable optical-characteristic element;
- and
- a drive circuit for driving the variable optical-characteristic element, the optical apparatus having an image processing function,
- wherein different enhancement is performed on each part of images in accordance with symmetry of an optical system.
An optical apparatus comprising:
- a movable optical element or optical element group;
- an actuator driven by an electrostatic force for driving the optical element or optical element group;
- and
- a variable optical-characteristic element.
An optical apparatus comprising:
- a variable optical-characteristic element;
- and
- a drive circuit for driving the variable optical-characteristic element,
- wherein shading is corrected by image processing.
An optical apparatus comprising any one of a variable optical-characteristic element, an decentered image pickup element, an decentered display element, and an optical element having an decentered optical element,
- wherein shading is corrected by image processing.
An optical apparatus comprising:
- a variable optical-characteristic element;
- and
- a drive circuit for driving the variable optical-characteristic element,
- wherein distortion of images is corrected by image processing.
An optical apparatus comprising:
- a variable optical-characteristic element;
- a drive circuit for driving the variable optical -characteristic element;
- an image pickup element;
- a closing-up lens;
- and
- a cover for protecting an imaging optical system,
- wherein the closing-up lens and the cover for protecting an imaging optical system are detachably arranged in front of the image pickup element.
A variable optical-characteristic element comprising a deformable film comprising a reflection surface for reflecting light and a substrate for supporting the reflection surface,
- wherein the substrate is meshed.
A variable optical-characteristic element comprising a deformable film comprising a reflection surface for reflecting light and a substrate for supporting the reflection surface,
- wherein part of the substrate where an electrode is formed is meshed.
An optical apparatus comprising:
- an optical system for performing variable power by one lens group or integrated lens groups;
- a variable optical-characteristic element;
- a drive circuit for driving the variable optical-characteristic element;
- and
- a picture element,
- wherein the picture element is fixed based on the steps of:
- when an object having a known distance is arranged, feeding drive information to the variable optical-characteristic element in accordance with the distance;
- photographing images of the object;
- and
- adjusting the position of the picture element so as to substantially maximize the contrast of the images.
A manufacturing method of an optical apparatus comprising an optical system for performing variable power by one lens group or integrated lens groups;
- a variable optical-characteristic element;
- a drive circuit for driving the variable optical-characteristic element;
- and a picture element, the method comprising the steps of:
- when an object having a known distance is arranged, feeding drive information to the variable optical-characteristic element in accordance with the distance;
- photographing images of the object;
- and
- adjusting and fixing the position of the picture element so as to substantially maximize the contrast of the images.
An optical apparatus comprising:
- a variable optical-characteristic element;
- and
- a driving circuit for driving the variable optical-characteristic element, the optical apparatus having an image processing function;
- wherein shading is corrected by image processing in accordance with symmetry of an optical system.
An optical apparatus comprising:
- a variable optical-characteristic element;
- and
- a driving circuit for driving the variable optical-characteristic element, the optical apparatus having an image processing function,
- wherein distortion is corrected by image processing in accordance with symmetry of an optical system.
An optical apparatus comprising:
- a variable optical-characteristic element;
- and
- a drive circuit for driving the variable optical-characteristic element,
- the optical apparatus having an image processing function,
- wherein different enhancement is performed on each part of images in accordance with symmetry of an optical system.
Dependencies are inferred from the claim text.